/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.je.bpm.engine.impl.db;

import com.je.bpm.engine.ActivitiException;
import com.je.bpm.engine.impl.context.Context;
import com.je.bpm.engine.impl.variable.VariableType;
import com.je.bpm.engine.impl.variable.VariableTypes;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.TypeHandler;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class IbatisVariableTypeHandler implements TypeHandler<VariableType> {

    protected VariableTypes variableTypes;

    @Override
    public VariableType getResult(ResultSet rs, String columnName) throws SQLException {
        String typeName = rs.getString(columnName);
        VariableType type = getVariableTypes().getVariableType(typeName);
        if (type == null && typeName != null) {
            throw new ActivitiException("unknown variable type name " + typeName);
        }
        return type;
    }

    @Override
    public VariableType getResult(CallableStatement cs, int columnIndex) throws SQLException {
        String typeName = cs.getString(columnIndex);
        VariableType type = getVariableTypes().getVariableType(typeName);
        if (type == null) {
            throw new ActivitiException("unknown variable type name " + typeName);
        }
        return type;
    }

    @Override
    public void setParameter(PreparedStatement ps, int i, VariableType parameter, JdbcType jdbcType) throws SQLException {
        String typeName = parameter.getTypeName();
        ps.setString(i, typeName);
    }

    protected VariableTypes getVariableTypes() {
        if (variableTypes == null) {
            variableTypes = Context.getProcessEngineConfiguration().getVariableTypes();
        }
        return variableTypes;
    }

    @Override
    public VariableType getResult(ResultSet resultSet, int columnIndex) throws SQLException {
        String typeName = resultSet.getString(columnIndex);
        VariableType type = getVariableTypes().getVariableType(typeName);
        if (type == null) {
            throw new ActivitiException("unknown variable type name " + typeName);
        }
        return type;
    }
}
